I won’t be able to answer precisely since I’ve reset my phone without SD card encryption activated, set up all my apps, and I won’t have time to do it once more (it’s been my third factory reset since the update release). In fact, I’ve immediately remarked this issue with Spotify, started investigations with it and I’ve noticed the issue was the same with BeyondPod. I don’t use SD card a lot expected for this kind of usage (podcast, music), so I did not have opportunity to remark other apps malfunctionning, sorry. I’m surprised with the fact there is not so many complaints while it seems easily reproductible. I hope it will be solved soon ! Thanks for your attention, Thomas
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It seems it’s caused by SD card encryption. The only solution I found: factory reset and do not try to encrypt sd card at all. The brave ones who want to help: could you try to encrypt your SD card (security menu) and see if apps using sd card in native directories (without authorization needed, just writing to SDCARD/Android/Data/…) seem to keep working properly?
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Since last update (7.1.1) on my Xperia XZ, I have serious issues for apps to write data in their respective directory on SD Card (SDCARD/Android/Data/…). For instance, Spotify and BeyondPod cannot use SD card to write respectively music cache and podcast files. Spotify does not show the storage option anymore and BeyondPod says «unavailable storage or read-only» when trying to move data dir to SD card. However, the directories on the sdcard exist: SDCARD/Android/Data/com.spotify.music and SDCARD/Android/Data/moby.beyondpod. I also can write by myself with file browsers (SolidExplorer for instance) on the SD card, even in the concerned dirs. I’ve tried to format the SD card, activate or deactivate SD card crypting with no result. I’ve done a factory reset and it worked for Spotify and BeyondPod. But after a while (some dozens of minutes, as I had done some basic updates and customizations), I got the same issues again: unable for apps to acces their own directory on SD cards. Note this issue has been described on XDA forums https://forum.xda-developers.com/xperia-xz/how-to/xperia-xz-roll-android-7-0-nougat-39-2-t3510600/page46#post72158287.
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